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Finding the Fourth Proportional to 7,068.84, 10,586.85 and 6,822.81

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Solution

The fourth proportional to 7,068.84, 10,586.85 and 6,822.81 is: 10,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.84 : 10,586.85 = 6,822.81 : x
  2. Step 2: Convert to fraction form
    7,068.84/10,586.85 = 6,822.81/x
  3. Step 3: Cross multiply
    7,068.84x = 10,586.85 × 6,822.81
  4. Step 4: Simplify right side
    7,068.84x = 72,232,066.05
  5. Step 5: Solve for x
    x = 72,232,066.05/7,068.84
  6. Step 6: Final answer
    x = 10,218.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.